$75 Cheap Frontier Airlines flights Raleigh (RDU) to Austin (AUS)

View $75 flight on Thu, Dec 11, 2025Opens in a new window

$75 Cheap Frontier Airlines flights Raleigh (RDU) to Austin (AUS)

Prices were available within the past 7 days and start at $75 for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Dec 3 - Thu, Dec 4
RDU
Raleigh
AUS
Austin
$150 Roundtrip, just found
$150
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Dec 3 from Raleigh to Austin, returning Thu, Dec 4, priced at $150 just found
Frontier Airlines
Thu, Dec 4 - Mon, Dec 8
RDU
Raleigh
AUS
Austin
$160 Roundtrip, found 4 hours ago
$160
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to Austin, returning Mon, Dec 8, priced at $160 found 4 hours ago
Frontier Airlines
Mon, Dec 8 - Mon, Jan 12
RDU
Raleigh
AUS
Austin
$162 Roundtrip, found 5 hours ago
$162
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Raleigh to Austin, returning Mon, Jan 12, priced at $162 found 5 hours ago
Frontier Airlines
Thu, Dec 11 - Fri, Dec 12
RDU
Raleigh
AUS
Austin
$163 Roundtrip, just found
$163
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Dec 11 from Raleigh to Austin, returning Fri, Dec 12, priced at $163 just found
Frontier Airlines
Thu, Dec 4 - Sat, Dec 6
RDU
Raleigh
AUS
Austin
$167 Roundtrip, found 19 hours ago
$167
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to Austin, returning Sat, Dec 6, priced at $167 found 19 hours ago
Frontier Airlines
Mon, Dec 8 - Mon, Jan 12
RDU
Raleigh
AUS
Austin
$167 Roundtrip, found 5 hours ago
$167
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Raleigh to Austin, returning Mon, Jan 12, priced at $167 found 5 hours ago
Flights from Raleigh (RDU) to Austin (AUS)
Origin airport
Raleigh - Durham Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Popular airline
American Airlines
Distance
1159 mi
Average flight time
2 hours 55 mins

Frequently asked questions

How much is a Frontier Airlines flight from Raleigh - Durham Intl. Airport (RDU) to Austin-Bergstrom Intl. Airport (AUS)?
You can find budget-friendly return Frontier Airlines flights from $150 from RDU to AUS by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from $75 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from RDU to AUS with Frontier Airlines?
January is one of the most affordable months to get away to Austin with Frontier Airlines. You could also find excellent prices on one-way and return fares in December.
What is the cheapest time to book flights from Raleigh - Durham Intl. Airport (RDU) to Austin-Bergstrom Intl. Airport (AUS) with Frontier Airlines?
Begin your search one to three months ahead of your departure date to get cheaper fares on Frontier Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Austin-Bergstrom Intl. Airport (AUS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Raleigh - Durham Intl. Airport (RDU) to Austin-Bergstrom Intl. Airport (AUS)?
Click on the "Nonstop" filter when searching for direct Frontier Airlines flights from RDU to AUS. It's also a great way to compare other airlines servicing the same direct trip.
What is the earliest Frontier Airlines flight from RDU to AUS?
To find the earliest departure from RDU to AUS with Frontier Airlines, sort your results by "Early Morning" and "Morning." Booking an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Austin?
Austin-Bergstrom Intl. Airport (AUS) is the primary Austin hub for Frontier Airlines flights from Raleigh - Durham Intl. Airport (RDU).
Why fly with Frontier Airlines from RDU to AUS?
A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to fly from RDU to AUS with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside Frontier Airlines's loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Raleigh - Durham Intl. Airport (RDU) to Austin-Bergstrom Intl. Airport (AUS)?
In most cases, you can cancel or change your flight, although additional fees may apply if your booking was made over 24 hours ago. Prefer to keep your options open? Use our "Changes included" and "No cancel fee" filters to find flights that won't penalize you if you have to revise your plans. To update your itinerary, go to "Trips," select your flight and click on "Manage Booking" for more details.

Explore a world of travel with Expedia

*Available to One Key members.